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<a href="qfile_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/******************************************************************************</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * qLibc</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Copyright (c) 2010-2015 Seungyoung Kim.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * All rights reserved.</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> *</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> * modification, are permitted provided that the following conditions are met:</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> *    this list of conditions and the following disclaimer.</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> *    this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> *    and/or other materials provided with the distribution.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> *</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment"> * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment"> * POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment"></span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment">/**</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment"> * @file qfile.c File handling APIs.</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment"> */</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#include &lt;stdbool.h&gt;</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="preprocessor">#include &lt;ctype.h&gt;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="preprocessor">#include &lt;unistd.h&gt;</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="preprocessor">#include &lt;libgen.h&gt;</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">#include &lt;fcntl.h&gt;</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">#include &lt;limits.h&gt;</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="preprocessor">#include &lt;errno.h&gt;</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="preprocessor">#include &lt;sys/types.h&gt;</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="preprocessor">#include &lt;sys/stat.h&gt;</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="preprocessor">#include &lt;sys/file.h&gt;</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="preprocessor">#include &quot;qinternal.h&quot;</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="preprocessor">#include &quot;utilities/qstring.h&quot;</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="preprocessor">#include &quot;utilities/qfile.h&quot;</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"></span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment">/**</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment"> * Lock file</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment"> *</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment"> * @param fd        file descriptor</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment"> *</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment"> * @return true if successful, otherwise returns false.</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment"> *</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment"> *   // for file descriptor</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="comment"> *   int fd = open(...);</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="comment"> *   if(qfile_lock(fd) == true) {</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment"> *     (...atomic file access...)</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="comment"> *     qfile_unlock(fd);</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment"> *   }</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment"> *</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment"> *   // for FILE stream object</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="comment"> *   FILE *fp = fopen(...);</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="comment"> *   int fd = fileno(fp);</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="comment"> *   if(qfile_lock(fd) == true) {</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment"> *     (...atomic file access...)</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment"> *     qfile_unlock(fd);</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment"> *   }</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment"> */</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="qfile_8c.html#aee13ab9a468771f9b4e60ae117d1f613">   74</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qfile_8c.html#aee13ab9a468771f9b4e60ae117d1f613">qfile_lock</a>(<span class="keywordtype">int</span> fd) {</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="preprocessor">#ifdef _WIN32</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>    <span class="keyword">struct </span>flock lock;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>    memset((<span class="keywordtype">void</span> *) &amp;lock, 0, <span class="keyword">sizeof</span>(flock));</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>    lock.l_type = F_WRLCK;</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>    lock.l_whence = SEEK_SET;</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>    lock.l_start = 0;</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>    lock.l_len = 0;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>    <span class="keywordtype">int</span> ret = fcntl(fd, F_SETLK, &amp;lock);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>    <span class="keywordflow">if</span> (ret == 0)</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>}</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment"></span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">/**</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment"> * Unlock file which is locked by qfile_lock()</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment"> *</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment"> * @param fd        file descriptor</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment"> *</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment"> * @return true if successful, otherwise returns false.</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment"> */</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"><a class="line" href="qfile_8c.html#a964a6571f9178ce478d61fe7c4f1021e">   98</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qfile_8c.html#a964a6571f9178ce478d61fe7c4f1021e">qfile_unlock</a>(<span class="keywordtype">int</span> fd) {</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="preprocessor">#ifdef _WIN32</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>    <span class="keyword">struct </span>flock lock;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    memset((<span class="keywordtype">void</span> *) &amp;lock, 0, <span class="keyword">sizeof</span>(flock));</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>    lock.l_type = F_UNLCK;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    lock.l_whence = SEEK_SET;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>    lock.l_start = 0;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>    lock.l_len = 0;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>    <span class="keywordtype">int</span> ret = fcntl(fd, F_SETLK, &amp;lock);</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>    <span class="keywordflow">if</span> (ret == 0)</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>}</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment"></span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment">/**</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment"> * Check file existence.</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment"> *</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="comment"> * @param filepath  file or directory path</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment"> *</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="comment"> * @return true if exists, otherwise returns false.</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="comment"> */</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="qfile_8c.html#af22eeea721ad66346d7e19f82b28fdb0">  122</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qfile_8c.html#af22eeea721ad66346d7e19f82b28fdb0">qfile_exist</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filepath) {</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>    <span class="keywordflow">if</span> (access(filepath, F_OK) == 0)</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>}</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span><span class="comment"></span> </div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="comment">/**</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="comment"> * Load file into memory.</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment"> *</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="comment"> * @param filepath  file path</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment"> * @param nbytes    has two purpost, one is to set how many bytes are readed.</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="comment"> *                  the other is actual the number loaded bytes will be stored.</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment"> *                  nbytes must be point 0 or NULL to read entire file.</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment"> *</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="comment"> * @return allocated memory pointer if successful, otherwise returns NULL.</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment"> *</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment"> *   // loading text file</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment"> *   char *text = (char *)qfile_load(&quot;/tmp/text.txt&quot;, NULL);</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="comment"> *</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="comment"> *   // loading binary file</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment"> *   int binlen = 0;</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="comment"> *   char *bin = (char *)qfile_load(&quot;/tmp/binary.bin&quot;, &amp;binlen);</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment"> *</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment"> *   // loading partial</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment"> *   int binlen = 10;</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment"> *   char *bin = (char *)qfile_load(&quot;/tmp/binary.bin&quot;, &amp;binlen);</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="comment"> *</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="comment"> *  This method actually allocates memory more than 1 bytes than filesize then</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="comment"> *  append NULL character at the end. For example, when the file size is 10</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="comment"> *  bytes long, 10+1 bytes will allocated and the last byte is always NULL</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="comment"> *  character. So you can load text file and use without appending NULL</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="comment"> *  character. By the way, the actual file size 10 will be returned at nbytes</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment"> *  variable.</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment"> */</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"><a class="line" href="qfile_8c.html#a2e381f2cbdcbeeaee40dc754414cbe01">  159</a></span><span class="keywordtype">void</span> *<a class="code hl_function" href="qfile_8c.html#a2e381f2cbdcbeeaee40dc754414cbe01">qfile_load</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filepath, <span class="keywordtype">size_t</span> *nbytes) {</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>    <span class="keywordtype">int</span> fd;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>    <span class="keywordflow">if</span> ((fd = open(filepath, O_RDONLY, 0)) &lt; 0)</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>    <span class="keyword">struct </span>stat fs;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>    <span class="keywordflow">if</span> (fstat(fd, &amp;fs) &lt; 0) {</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>        close(fd);</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>    }</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>    <span class="keywordtype">size_t</span> size = fs.st_size;</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>    <span class="keywordflow">if</span> (nbytes != NULL &amp;&amp; *nbytes &gt; 0 &amp;&amp; *nbytes &lt; fs.st_size)</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>        size = *nbytes;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>    <span class="keywordtype">void</span> *buf = malloc(size + 1);</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>    <span class="keywordflow">if</span> (buf == NULL) {</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>        close(fd);</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>    }</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>    ssize_t count = read(fd, buf, size);</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>    close(fd);</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span> </div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>    <span class="keywordflow">if</span> (count != size) {</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>        free(buf);</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>    }</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span> </div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>    ((<span class="keywordtype">char</span> *) buf)[count] = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span> </div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>    <span class="keywordflow">if</span> (nbytes != NULL)</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>        *nbytes = count;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>    <span class="keywordflow">return</span> buf;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>}</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="comment"></span> </div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="comment">/**</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="comment"> * Read data from a file stream.</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="comment"> *</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span><span class="comment"> * @param fp        FILE pointer</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="comment"> * @param nbytes    has two purpose, one is to set bytes to read.</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="comment"> *                  the other is to return actual number of bytes loaded.</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="comment"> *                  0 or NULL can be set to read file until the end.</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="comment"> *</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="comment"> * @return allocated memory pointer if successful, otherwise returns NULL.</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span><span class="comment"> *</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="comment"> *   int binlen = 0;</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="comment"> *   char *bin = (char *)qfile_read(fp, &amp;binlen);</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span><span class="comment"> *</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span><span class="comment"> *  This method append NULL character at the end of stream. but nbytes only</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span><span class="comment"> *  counts actual readed bytes.</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span><span class="comment"> */</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"><a class="line" href="qfile_8c.html#a9133efad385ea27ea68c6df8fb94f1c4">  214</a></span><span class="keywordtype">void</span> *<a class="code hl_function" href="qfile_8c.html#a9133efad385ea27ea68c6df8fb94f1c4">qfile_read</a>(FILE *fp, <span class="keywordtype">size_t</span> *nbytes) {</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>    <span class="keywordtype">size_t</span> memsize = 1024;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>    <span class="keywordtype">size_t</span> size = 0;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span> </div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>    <span class="keywordflow">if</span> (nbytes != NULL &amp;&amp; *nbytes &gt; 0) {</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>        memsize = *nbytes;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>        size = *nbytes;</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>    }</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>    <span class="keywordtype">int</span> c;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>    <span class="keywordtype">size_t</span> c_count;</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>    <span class="keywordtype">char</span> *data = NULL;</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>    <span class="keywordflow">for</span> (c_count = 0; (c = fgetc(fp)) != EOF;) {</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>        <span class="keywordflow">if</span> (size &gt; 0 &amp;&amp; c_count == size)</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>        <span class="keywordflow">if</span> (c_count == 0) {</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>            data = (<span class="keywordtype">char</span> *) malloc(<span class="keyword">sizeof</span>(<span class="keywordtype">char</span>) * memsize);</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>            <span class="keywordflow">if</span> (data == NULL) {</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span>                DEBUG(<span class="stringliteral">&quot;Memory allocation failed.&quot;</span>);</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>                <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>            }</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (c_count == memsize - 1) {</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>            memsize *= 2;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>            <span class="comment">/* Here, we don&#39;t use realloc(). Sometimes it is unstable. */</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>            <span class="keywordtype">char</span> *datatmp = (<span class="keywordtype">char</span> *) malloc(<span class="keyword">sizeof</span>(<span class="keywordtype">char</span>) * (memsize + 1));</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>            <span class="keywordflow">if</span> (datatmp == NULL) {</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>                DEBUG(<span class="stringliteral">&quot;Memory allocation failed.&quot;</span>);</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>                free(data);</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>                <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>            }</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>            memcpy(datatmp, data, c_count);</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>            free(data);</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>            data = datatmp;</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>        }</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>        data[c_count++] = (char) c;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>    }</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span> </div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>    <span class="keywordflow">if</span> (c_count == 0 &amp;&amp; c == EOF)</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>    data[c_count] = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span> </div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>    <span class="keywordflow">if</span> (nbytes != NULL)</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>        *nbytes = c_count;</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span> </div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>    <span class="keywordflow">return</span> (<span class="keywordtype">void</span> *) data;</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>}</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span><span class="comment"></span> </div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span><span class="comment">/**</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span><span class="comment"> * Save data into file.</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><span class="comment"> *</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span><span class="comment"> * @param filepath  file path</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span><span class="comment"> * @param buf       data</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span><span class="comment"> * @param size      the number of bytes to save</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span><span class="comment"> * @param append    false for new(if exists truncate), true for appending</span></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span><span class="comment"> *</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span><span class="comment"> * @return the number of bytes written if successful, otherwise returns -1.</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span><span class="comment"> *</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span><span class="comment"> *   // save text</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span><span class="comment"> *   char *text = &quot;hello&quot;;</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span><span class="comment"> *   qfile_save(&quot;/tmp/text.txt&quot;, (void*)text, strlen(text), false);</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span><span class="comment"> *</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span><span class="comment"> *   // save binary</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span><span class="comment"> *   int integer1 = 75;</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span><span class="comment"> *   qfile_save(&quot;/tmp/integer.bin, (void*)&amp;integer, sizeof(int));</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span><span class="comment"> */</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"><a class="line" href="qfile_8c.html#aaef22ff4a8a80e6356583335cc34db64">  283</a></span>ssize_t <a class="code hl_function" href="qfile_8c.html#aaef22ff4a8a80e6356583335cc34db64">qfile_save</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filepath, <span class="keyword">const</span> <span class="keywordtype">void</span> *buf, <span class="keywordtype">size_t</span> size,</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>                   <span class="keywordtype">bool</span> append) {</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>    <span class="keywordtype">int</span> fd;</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span> </div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>    <span class="keywordflow">if</span> (append == <span class="keyword">false</span>) {</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>        fd = open(filepath, O_CREAT | O_WRONLY | O_TRUNC,</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>                  (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH));</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>        fd = open(filepath, O_CREAT | O_WRONLY | O_APPEND,</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>                  (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH));</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>    }</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>    <span class="keywordflow">if</span> (fd &lt; 0)</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span> </div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>    ssize_t count = write(fd, buf, size);</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>    close(fd);</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span> </div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>    <span class="keywordflow">return</span> count;</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>}</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span><span class="comment"></span> </div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span><span class="comment">/**</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span><span class="comment"> * Attempts to create a directory recursively.</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span><span class="comment"> *</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span><span class="comment"> * @param dirpath   directory path</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span><span class="comment"> * @param mode      permissions to use</span></div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span><span class="comment"> * @param recursive whether or not to create parent directories automatically</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span><span class="comment"> *</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span><span class="comment"> * @return true if successful, otherwise returns false.</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span><span class="comment"> */</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"><a class="line" href="qfile_8c.html#ae623f84683c9aa6f58ead2f16a8f63db">  312</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qfile_8c.html#ae623f84683c9aa6f58ead2f16a8f63db">qfile_mkdir</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *dirpath, mode_t mode, <span class="keywordtype">bool</span> recursive) {</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span>    DEBUG(<span class="stringliteral">&quot;try to create directory %s&quot;</span>, dirpath);</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>    <span class="keywordflow">if</span> (mkdir(dirpath, mode) == 0)</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span> </div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>    <span class="keywordtype">bool</span> ret = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>    <span class="keywordflow">if</span> (recursive == <span class="keyword">true</span> &amp;&amp; errno == ENOENT) {</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>        <span class="keywordtype">char</span> *parentpath = <a class="code hl_function" href="qfile_8c.html#aeb6452731c1582ac80bf26f91ce494c4">qfile_get_dir</a>(dirpath);</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>        <span class="keywordflow">if</span> (<a class="code hl_function" href="qfile_8c.html#ae623f84683c9aa6f58ead2f16a8f63db">qfile_mkdir</a>(parentpath, mode, <span class="keyword">true</span>) == <span class="keyword">true</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>                &amp;&amp; mkdir(dirpath, mode) == 0) {</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>            ret = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>        }</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>        free(parentpath);</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>    }</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span> </div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>    <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>}</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span><span class="comment"></span> </div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span><span class="comment">/**</span></div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span><span class="comment"> * Check path string contains invalid characters.</span></div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span><span class="comment"> *</span></div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span><span class="comment"> * @param path      path string</span></div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span><span class="comment"> *</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span><span class="comment"> * @return true if ok, otherwise returns false.</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span><span class="comment"> */</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"><a class="line" href="qfile_8c.html#af382e5541d166ecb6229dcac10a029ff">  337</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qfile_8c.html#af382e5541d166ecb6229dcac10a029ff">qfile_check_path</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *path) {</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>    <span class="keywordflow">if</span> (path == NULL)</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span> </div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>    <span class="keywordtype">int</span> nLen = strlen(path);</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>    <span class="keywordflow">if</span> (nLen == 0 || nLen &gt;= PATH_MAX)</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strpbrk(path, <span class="stringliteral">&quot;\\:*?\&quot;&lt;&gt;|&quot;</span>) != NULL)</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>}</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span><span class="comment"></span> </div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span><span class="comment">/**</span></div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span><span class="comment"> * Get filename from filepath</span></div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span><span class="comment"> *</span></div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span><span class="comment"> * @param filepath  file or directory path</span></div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span><span class="comment"> *</span></div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span><span class="comment"> * @return malloced filename string</span></div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span><span class="comment"> */</span></div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"><a class="line" href="qfile_8c.html#a5386ae607fac65eb68fac034a8d4e612">  356</a></span><span class="keywordtype">char</span> *<a class="code hl_function" href="qfile_8c.html#a5386ae607fac65eb68fac034a8d4e612">qfile_get_name</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filepath) {</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>    <span class="keywordtype">char</span> *path = strdup(filepath);</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>    <span class="keywordtype">char</span> *bname = basename(path);</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>    <span class="keywordtype">char</span> *filename = strdup(bname);</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span>    free(path);</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>    <span class="keywordflow">return</span> filename;</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>}</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span><span class="comment"></span> </div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span><span class="comment">/**</span></div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span><span class="comment"> * Get directory suffix from filepath</span></div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span><span class="comment"> *</span></div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span><span class="comment"> * @param filepath  file or directory path</span></div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span><span class="comment"> *</span></div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span><span class="comment"> * @return malloced filepath string</span></div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span><span class="comment"> */</span></div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"><a class="line" href="qfile_8c.html#aeb6452731c1582ac80bf26f91ce494c4">  371</a></span><span class="keywordtype">char</span> *<a class="code hl_function" href="qfile_8c.html#aeb6452731c1582ac80bf26f91ce494c4">qfile_get_dir</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filepath) {</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>    <span class="keywordtype">char</span> *path = strdup(filepath);</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>    <span class="keywordtype">char</span> *dname = dirname(path);</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>    <span class="keywordtype">char</span> *dir = strdup(dname);</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>    free(path);</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>    <span class="keywordflow">return</span> dir;</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>}</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span><span class="comment"></span> </div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span><span class="comment">/**</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span><span class="comment"> * Get extension from filepath.</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span><span class="comment"> *</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span><span class="comment"> * @param filepath  file or directory path</span></div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span><span class="comment"> *</span></div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span><span class="comment"> * @return malloced extension string which is converted to lower case.</span></div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span><span class="comment"> */</span></div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"><a class="line" href="qfile_8c.html#ac4728af539fcbdc7cd00e88834cfce74">  386</a></span><span class="keywordtype">char</span> *<a class="code hl_function" href="qfile_8c.html#ac4728af539fcbdc7cd00e88834cfce74">qfile_get_ext</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filepath) {</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span><span class="preprocessor">#define MAX_EXTENSION_LENGTH        (8)</span></div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span>    <span class="keywordtype">char</span> *filename = <a class="code hl_function" href="qfile_8c.html#a5386ae607fac65eb68fac034a8d4e612">qfile_get_name</a>(filepath);</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span>    <span class="keywordtype">char</span> *p = strrchr(filename, <span class="charliteral">&#39;.&#39;</span>);</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>    <span class="keywordtype">char</span> *ext = NULL;</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span>    <span class="keywordflow">if</span> (p != NULL &amp;&amp; strlen(p + 1) &lt;= MAX_EXTENSION_LENGTH</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span>            &amp;&amp; <a class="code hl_function" href="qstring_8c.html#a6ddf2449ee1edb1139005fa88213567c">qstrtest</a>(isalnum, p + 1) == <span class="keyword">true</span>) {</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span>        ext = strdup(p + 1);</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>        <a class="code hl_function" href="qstring_8c.html#ad42f6086a25ed4be54f2a18a8973dbd8">qstrlower</a>(ext);</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>        ext = strdup(<span class="stringliteral">&quot;&quot;</span>);</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>    }</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span> </div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span>    free(filename);</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span>    <span class="keywordflow">return</span> ext;</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span>}</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span><span class="comment"></span> </div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span><span class="comment">/**</span></div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span><span class="comment"> * Get file size.</span></div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span><span class="comment"> *</span></div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span><span class="comment"> * @param filepath  file or directory path</span></div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span><span class="comment"> *</span></div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span><span class="comment"> * @return the file size if exists, otherwise returns -1.</span></div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span><span class="comment"> */</span></div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"><a class="line" href="qfile_8c.html#af4b95ff503ddf957bc1d0d1a139a4be2">  410</a></span>off_t <a class="code hl_function" href="qfile_8c.html#af4b95ff503ddf957bc1d0d1a139a4be2">qfile_get_size</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filepath) {</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span>    <span class="keyword">struct </span>stat finfo;</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span>    <span class="keywordflow">if</span> (stat(filepath, &amp;finfo) &lt; 0)</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span>        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>    <span class="keywordflow">return</span> finfo.st_size;</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span>}</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span><span class="comment"></span> </div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span><span class="comment">/**</span></div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span><span class="comment"> * Correct path string.</span></div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span><span class="comment"> *</span></div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span><span class="comment"> * @param path  path string</span></div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span><span class="comment"> *</span></div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span><span class="comment"> * @return path string pointer</span></div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span><span class="comment"> *</span></div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span><span class="comment"> * This modify path argument itself.</span></div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span><span class="comment"> *</span></div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span><span class="comment"> *   &quot;/hello//my/../world&quot; =&gt; &quot;/hello/world&quot;</span></div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span><span class="comment"> *   &quot;././././hello/./world&quot; =&gt; &quot;./hello/world&quot;</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span><span class="comment"> *   &quot;/../hello//world&quot; =&gt; &quot;/hello/world&quot;</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span><span class="comment"> *   &quot;/../hello//world/&quot; =&gt; &quot;/hello/world&quot;</span></div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span><span class="comment"> */</span></div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"><a class="line" href="qfile_8c.html#a3adcdafab36f7466a54538a3ae30a728">  434</a></span><span class="keywordtype">char</span> *<a class="code hl_function" href="qfile_8c.html#a3adcdafab36f7466a54538a3ae30a728">qfile_correct_path</a>(<span class="keywordtype">char</span> *path) {</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>    <span class="keywordflow">if</span> (path == NULL)</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span> </div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span>    <span class="comment">// take off heading &amp; tailing white spaces</span></div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span>    <a class="code hl_function" href="qstring_8c.html#a673d4ee449a08223e9f26508fa7d81a3">qstrtrim</a>(path);</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span> </div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>    <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span>        <span class="comment">// take off double slashes</span></div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span>        <span class="keywordflow">if</span> (strstr(path, <span class="stringliteral">&quot;//&quot;</span>) != NULL) {</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>            <a class="code hl_function" href="qstring_8c.html#ac4aec98006a9b0f9eb54c8c43121425e">qstrreplace</a>(<span class="stringliteral">&quot;sr&quot;</span>, path, <span class="stringliteral">&quot;//&quot;</span>, <span class="stringliteral">&quot;/&quot;</span>);</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>            <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>        }</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span> </div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span>        <span class="keywordflow">if</span> (strstr(path, <span class="stringliteral">&quot;/./&quot;</span>) != NULL) {</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>            <a class="code hl_function" href="qstring_8c.html#ac4aec98006a9b0f9eb54c8c43121425e">qstrreplace</a>(<span class="stringliteral">&quot;sr&quot;</span>, path, <span class="stringliteral">&quot;/./&quot;</span>, <span class="stringliteral">&quot;/&quot;</span>);</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span>            <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span>        }</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span> </div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span>        <span class="keywordflow">if</span> (strstr(path, <span class="stringliteral">&quot;/../&quot;</span>) != NULL) {</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>            <span class="keywordtype">char</span> *pszTmp = strstr(path, <span class="stringliteral">&quot;/../&quot;</span>);</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span>            <span class="keywordflow">if</span> (pszTmp == path) {</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>                <span class="comment">// /../hello =&gt; /hello</span></div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>                strcpy(path, pszTmp + 3);</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span>            } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span>                <span class="comment">// /hello/../world =&gt; /world</span></div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span>                *pszTmp = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span>                <span class="keywordtype">char</span> *pszNewPrefix = <a class="code hl_function" href="qfile_8c.html#aeb6452731c1582ac80bf26f91ce494c4">qfile_get_dir</a>(path);</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span>                strcpy(path, pszNewPrefix);</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span>                strcat(path, pszTmp + 3);</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span>                free(pszNewPrefix);</div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span>            }</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span>            <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span>        }</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span> </div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span>        <span class="comment">// take off tailing slash</span></div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span>        <span class="keywordtype">size_t</span> nLen = strlen(path);</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span>        <span class="keywordflow">if</span> (nLen &gt; 1) {</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span>            <span class="keywordflow">if</span> (path[nLen - 1] == <span class="charliteral">&#39;/&#39;</span>) {</div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>                path[nLen - 1] = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>                <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>            }</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span>        }</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span> </div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span>        <span class="comment">// take off tailing /.</span></div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span>        <span class="keywordflow">if</span> (nLen &gt; 2) {</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span>            <span class="keywordflow">if</span> (!strcmp(path + (nLen - 2), <span class="stringliteral">&quot;/.&quot;</span>)) {</div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>                path[nLen - 2] = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>                <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span>            }</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span>        }</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span> </div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span>        <span class="comment">// take off tailing /.</span></div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span>        <span class="keywordflow">if</span> (nLen &gt; 2) {</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span>            <span class="keywordflow">if</span> (!strcmp(path + (nLen - 2), <span class="stringliteral">&quot;/.&quot;</span>)) {</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>                path[nLen - 2] = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span>                <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span>            }</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span>        }</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span> </div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span>        <span class="comment">// take off tailing /.</span></div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>        <span class="keywordflow">if</span> (nLen &gt; 3) {</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span>            <span class="keywordflow">if</span> (!strcmp(path + (nLen - 3), <span class="stringliteral">&quot;/..&quot;</span>)) {</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span>                path[nLen - 3] = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span>                <span class="keywordtype">char</span> *pszNewPath = <a class="code hl_function" href="qfile_8c.html#aeb6452731c1582ac80bf26f91ce494c4">qfile_get_dir</a>(path);</div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span>                strcpy(path, pszNewPath);</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span>                free(pszNewPath);</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>                <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span>            }</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>        }</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span> </div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span>    }</div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span> </div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span>    <span class="keywordflow">return</span> path;</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span>}</div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span><span class="comment"></span> </div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span><span class="comment">/**</span></div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span><span class="comment"> * Make full absolute system path string.</span></div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span><span class="comment"> *</span></div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span><span class="comment"> * @param buf       buffer string pointer</span></div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span><span class="comment"> * @param bufsize   buffer size</span></div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span><span class="comment"> * @param path      path string</span></div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span><span class="comment"> *</span></div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span><span class="comment"> * @return buffer pointer if successful, otherwise returns NULL.</span></div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span><span class="comment"> *</span></div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span><span class="comment"> *   char buf[PATH_MAX];</span></div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span><span class="comment"> *   chdir(&quot;/usr/local&quot;);</span></div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span><span class="comment"> *   qfile_abspath(buf, sizeof(buf), &quot;.&quot;);    // returns &quot;/usr/local&quot;</span></div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span><span class="comment"> *   qfile_abspath(buf, sizeof(buf), &quot;..&quot;);   // returns &quot;/usr&quot;</span></div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span><span class="comment"> *   qfile_abspath(buf, sizeof(buf), &quot;etc&quot;);  // returns &quot;/usr/local/etc&quot;</span></div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span><span class="comment"> *   qfile_abspath(buf, sizeof(buf), &quot;/etc&quot;); // returns &quot;/etc&quot;</span></div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span><span class="comment"> *   qfile_abspath(buf, sizeof(buf), &quot;/etc/&quot;); // returns &quot;/etc/&quot;</span></div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span><span class="comment"> */</span></div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"><a class="line" href="qfile_8c.html#a9b19d1e8419deecd9519759a5e37805a">  530</a></span><span class="keywordtype">char</span> *<a class="code hl_function" href="qfile_8c.html#a9b19d1e8419deecd9519759a5e37805a">qfile_abspath</a>(<span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> bufsize, <span class="keyword">const</span> <span class="keywordtype">char</span> *path) {</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span>    <span class="keywordflow">if</span> (bufsize == 0)</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span> </div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span>    <span class="keywordflow">if</span> (path[0] == <span class="charliteral">&#39;/&#39;</span>) {</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span>        <a class="code hl_function" href="qstring_8c.html#a24dcde4b707ed664b3962e1bf400de0f">qstrcpy</a>(buf, bufsize, path);</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span>        <span class="keywordflow">if</span> (getcwd(buf, bufsize) == NULL)</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span>            <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span>        strcat(buf, <span class="stringliteral">&quot;/&quot;</span>);</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span>        strcat(buf, path);</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>    }</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span>    <a class="code hl_function" href="qfile_8c.html#a3adcdafab36f7466a54538a3ae30a728">qfile_correct_path</a>(buf);</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span> </div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span>    <span class="keywordflow">return</span> buf;</div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span>}</div>
<div class="ttc" id="aqfile_8c_html_a2e381f2cbdcbeeaee40dc754414cbe01"><div class="ttname"><a href="qfile_8c.html#a2e381f2cbdcbeeaee40dc754414cbe01">qfile_load</a></div><div class="ttdeci">void * qfile_load(const char *filepath, size_t *nbytes)</div><div class="ttdoc">Load file into memory.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00159">qfile.c:159</a></div></div>
<div class="ttc" id="aqfile_8c_html_a3adcdafab36f7466a54538a3ae30a728"><div class="ttname"><a href="qfile_8c.html#a3adcdafab36f7466a54538a3ae30a728">qfile_correct_path</a></div><div class="ttdeci">char * qfile_correct_path(char *path)</div><div class="ttdoc">Correct path string.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00434">qfile.c:434</a></div></div>
<div class="ttc" id="aqfile_8c_html_a5386ae607fac65eb68fac034a8d4e612"><div class="ttname"><a href="qfile_8c.html#a5386ae607fac65eb68fac034a8d4e612">qfile_get_name</a></div><div class="ttdeci">char * qfile_get_name(const char *filepath)</div><div class="ttdoc">Get filename from filepath.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00356">qfile.c:356</a></div></div>
<div class="ttc" id="aqfile_8c_html_a9133efad385ea27ea68c6df8fb94f1c4"><div class="ttname"><a href="qfile_8c.html#a9133efad385ea27ea68c6df8fb94f1c4">qfile_read</a></div><div class="ttdeci">void * qfile_read(FILE *fp, size_t *nbytes)</div><div class="ttdoc">Read data from a file stream.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00214">qfile.c:214</a></div></div>
<div class="ttc" id="aqfile_8c_html_a964a6571f9178ce478d61fe7c4f1021e"><div class="ttname"><a href="qfile_8c.html#a964a6571f9178ce478d61fe7c4f1021e">qfile_unlock</a></div><div class="ttdeci">bool qfile_unlock(int fd)</div><div class="ttdoc">Unlock file which is locked by qfile_lock()</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00098">qfile.c:98</a></div></div>
<div class="ttc" id="aqfile_8c_html_a9b19d1e8419deecd9519759a5e37805a"><div class="ttname"><a href="qfile_8c.html#a9b19d1e8419deecd9519759a5e37805a">qfile_abspath</a></div><div class="ttdeci">char * qfile_abspath(char *buf, size_t bufsize, const char *path)</div><div class="ttdoc">Make full absolute system path string.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00530">qfile.c:530</a></div></div>
<div class="ttc" id="aqfile_8c_html_aaef22ff4a8a80e6356583335cc34db64"><div class="ttname"><a href="qfile_8c.html#aaef22ff4a8a80e6356583335cc34db64">qfile_save</a></div><div class="ttdeci">ssize_t qfile_save(const char *filepath, const void *buf, size_t size, bool append)</div><div class="ttdoc">Save data into file.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00283">qfile.c:283</a></div></div>
<div class="ttc" id="aqfile_8c_html_ac4728af539fcbdc7cd00e88834cfce74"><div class="ttname"><a href="qfile_8c.html#ac4728af539fcbdc7cd00e88834cfce74">qfile_get_ext</a></div><div class="ttdeci">char * qfile_get_ext(const char *filepath)</div><div class="ttdoc">Get extension from filepath.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00386">qfile.c:386</a></div></div>
<div class="ttc" id="aqfile_8c_html_ae623f84683c9aa6f58ead2f16a8f63db"><div class="ttname"><a href="qfile_8c.html#ae623f84683c9aa6f58ead2f16a8f63db">qfile_mkdir</a></div><div class="ttdeci">bool qfile_mkdir(const char *dirpath, mode_t mode, bool recursive)</div><div class="ttdoc">Attempts to create a directory recursively.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00312">qfile.c:312</a></div></div>
<div class="ttc" id="aqfile_8c_html_aeb6452731c1582ac80bf26f91ce494c4"><div class="ttname"><a href="qfile_8c.html#aeb6452731c1582ac80bf26f91ce494c4">qfile_get_dir</a></div><div class="ttdeci">char * qfile_get_dir(const char *filepath)</div><div class="ttdoc">Get directory suffix from filepath.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00371">qfile.c:371</a></div></div>
<div class="ttc" id="aqfile_8c_html_aee13ab9a468771f9b4e60ae117d1f613"><div class="ttname"><a href="qfile_8c.html#aee13ab9a468771f9b4e60ae117d1f613">qfile_lock</a></div><div class="ttdeci">bool qfile_lock(int fd)</div><div class="ttdoc">Lock file.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00074">qfile.c:74</a></div></div>
<div class="ttc" id="aqfile_8c_html_af22eeea721ad66346d7e19f82b28fdb0"><div class="ttname"><a href="qfile_8c.html#af22eeea721ad66346d7e19f82b28fdb0">qfile_exist</a></div><div class="ttdeci">bool qfile_exist(const char *filepath)</div><div class="ttdoc">Check file existence.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00122">qfile.c:122</a></div></div>
<div class="ttc" id="aqfile_8c_html_af382e5541d166ecb6229dcac10a029ff"><div class="ttname"><a href="qfile_8c.html#af382e5541d166ecb6229dcac10a029ff">qfile_check_path</a></div><div class="ttdeci">bool qfile_check_path(const char *path)</div><div class="ttdoc">Check path string contains invalid characters.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00337">qfile.c:337</a></div></div>
<div class="ttc" id="aqfile_8c_html_af4b95ff503ddf957bc1d0d1a139a4be2"><div class="ttname"><a href="qfile_8c.html#af4b95ff503ddf957bc1d0d1a139a4be2">qfile_get_size</a></div><div class="ttdeci">off_t qfile_get_size(const char *filepath)</div><div class="ttdoc">Get file size.</div><div class="ttdef"><b>Definition</b> <a href="qfile_8c_source.html#l00410">qfile.c:410</a></div></div>
<div class="ttc" id="aqstring_8c_html_a24dcde4b707ed664b3962e1bf400de0f"><div class="ttname"><a href="qstring_8c.html#a24dcde4b707ed664b3962e1bf400de0f">qstrcpy</a></div><div class="ttdeci">char * qstrcpy(char *dst, size_t size, const char *src)</div><div class="ttdoc">Copy src string to dst.</div><div class="ttdef"><b>Definition</b> <a href="qstring_8c_source.html#l00325">qstring.c:325</a></div></div>
<div class="ttc" id="aqstring_8c_html_a673d4ee449a08223e9f26508fa7d81a3"><div class="ttname"><a href="qstring_8c.html#a673d4ee449a08223e9f26508fa7d81a3">qstrtrim</a></div><div class="ttdeci">char * qstrtrim(char *str)</div><div class="ttdoc">Remove white spaces(including CR, LF) from head and tail of the string.</div><div class="ttdef"><b>Definition</b> <a href="qstring_8c_source.html#l00055">qstring.c:55</a></div></div>
<div class="ttc" id="aqstring_8c_html_a6ddf2449ee1edb1139005fa88213567c"><div class="ttname"><a href="qstring_8c.html#a6ddf2449ee1edb1139005fa88213567c">qstrtest</a></div><div class="ttdeci">bool qstrtest(int(*testfunc)(int), const char *str)</div><div class="ttdoc">Test for an alpha-numeric string.</div><div class="ttdef"><b>Definition</b> <a href="qstring_8c_source.html#l00752">qstring.c:752</a></div></div>
<div class="ttc" id="aqstring_8c_html_ac4aec98006a9b0f9eb54c8c43121425e"><div class="ttname"><a href="qstring_8c.html#ac4aec98006a9b0f9eb54c8c43121425e">qstrreplace</a></div><div class="ttdeci">char * qstrreplace(const char *mode, char *srcstr, const char *tokstr, const char *word)</div><div class="ttdoc">Replace string or tokens as word from source string with given mode.</div><div class="ttdef"><b>Definition</b> <a href="qstring_8c_source.html#l00236">qstring.c:236</a></div></div>
<div class="ttc" id="aqstring_8c_html_ad42f6086a25ed4be54f2a18a8973dbd8"><div class="ttname"><a href="qstring_8c.html#ad42f6086a25ed4be54f2a18a8973dbd8">qstrlower</a></div><div class="ttdeci">char * qstrlower(char *str)</div><div class="ttdoc">Convert character to lower character.</div><div class="ttdef"><b>Definition</b> <a href="qstring_8c_source.html#l00543">qstring.c:543</a></div></div>
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